This is where the evolution of VRC-50 branches.
Air Transport Squadron 23 (VR-23) is established 1951 at NAS Atsugi
VR-23's detachment NAS Atsugi is disestablished and established as VR-21 detachment NAS Atsugi
VR-21's detachment NAS Atsugi is disestablished and VRC-50 is established October 1966

Military Air Transport Service
Consolidated the Air Transport Command and the Naval Air Transport Service
created June 1948 under the direction of the newly created U.S. Air Force